Which preposition to use with insensitive

to Occurrences 10%

And how impracticable if not impossible would it be to render the eye insensitive to pain with any extract of coca leaves, no matter how concentrateda purpose that we accomplish almost instantly with cocaine!

as Occurrences 1%

But, keeping the lash in our own discriminating hands, we should all perhaps confess that in regard to other people's feelings and ideas we are rather insensitive as a nation.

beneath Occurrences 1%

Too late they would understand that all the joy was in the doing; too soon say to themselves: "Was it for this that our little world shook with such fiery commotion and molten ardours, that this present should be so firm and insensitive beneath our feet?

Which preposition to use with  insensitive